package com.lw.security.mapper;

import com.lw.security.pojo.User;
import org.apache.ibatis.annotations.Select;

/**
 * @author Administrator
 * @version 1.0
 * @description:
 * @date 2022/3/28 21:25
 */
public interface UserMapper {

    @Select("select * from `user` where user_name=#{userName}")
    User findByUserName(String userName);
}
